CVE Intelligence
High Injection

CVE-2020-25649 — XML External Entity (XXE) in Apache Software Foundation Iotdb

A flaw was found in FasterXML Jackson Databind, where it did not have entity expansion secured properly. This flaw allows vulnerability to XML external entity (XXE) attacks. The highest threat from this vulnerability is data integrity.

Published Dec 3, 2020 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: redhat

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • EPSS 17.3% (30-day exploitation probability)+15
  • Technical severity (high)+6
  • Automatable exploitation (SSVC)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
17.26%
ahead of 97% of scored CVEs · Oct 15, 2026
Affects
Apache Software Foundation
Iotdb and 38 more
CVSS base
7.5
High · 1 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
Yes
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

  • Documented patch — github.com (NIST National Vulnerability Database)
  • Documented patch — www.oracle.com (NIST National Vulnerability Database)
  • Documented patch — www.oracle.com (NIST National Vulnerability Database)
  • Documented patch — www.oracle.com (NIST National Vulnerability Database)
  • Documented patch — www.oracle.com (NIST National Vulnerability Database)
  • Documented patch — www.oracle.com (NIST National Vulnerability Database)
  • Documented patch — www.oracle.com (NIST National Vulnerability Database)

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (Apache Software Foundation Iotdb, Fasterxml Jackson-databind, Fedoraproject Fedora…).
  2. The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
  3. Apply the fixed version or the patch documented under Remediation.
  4. EPSS ahead of 97% of scored CVEs: prioritize it in the patch queue.
  5. Search available logs for exploit probes matching the vulnerability class (injection), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
Apache Software Foundation Iotdb < 0.12.0 Vulnerable NIST National Vulnerability Database
Fasterxml Jackson-databind ≥ 2.10.0 and < 2.10.5.1≥ 2.9.0 and < 2.9.10.7≥ 2.6.0 and < 2.6.7.4 Vulnerable NIST National Vulnerability Database
Fedoraproject Fedora version 32 Vulnerable NIST National Vulnerability Database
Netapp Oncommand Api Services versions not specified by the source Vulnerable NIST National Vulnerability Database
Netapp Oncommand Workflow Automation versions not specified by the source Vulnerable NIST National Vulnerability Database
Netapp Service Level Manager versions not specified by the source Vulnerable NIST National Vulnerability Database
Oracle Agile Product Lifecycle Management version 9.3.6 Vulnerable NIST National Vulnerability Database
Oracle Agile Product Lifecycle Management Integration Pack version 3.6 Vulnerable NIST National Vulnerability Database
Oracle Banking Apis version 21.1version 20.1version 19.2version 19.1≥ 18.1 and ≤ 18.3 Vulnerable NIST National Vulnerability Database
Oracle Banking Platform version 2.6.2version 2.7.0version 2.7.1version 2.8.0version 2.9.0version 2.10.0 Vulnerable NIST National Vulnerability Database
Oracle Banking Treasury Management version 4.4 Vulnerable NIST National Vulnerability Database
Oracle Blockchain Platform < 21.1.2 Vulnerable NIST National Vulnerability Database
Oracle Coherence version 12.2.1.4.0version 14.1.1.0.0 Vulnerable NIST National Vulnerability Database
Oracle Commerce Platform ≥ 11.3.0 and ≤ 11.3.2version 11.2.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Billing And Revenue Management version 7.5.0.23.0version 12.0.0.3.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Cloud Native Core Unified Data Repository version 1.4.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Convergent Charging Controller version 12.0.4.0.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Evolved Communications Application Server version 7.1 Vulnerable NIST National Vulnerability Database
Oracle Communications Instant Messaging Server version 10.0.1.5.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Interactive Session Recorder version 6.4version 6.3 Vulnerable NIST National Vulnerability Database
Oracle Communications Messaging Server version 8.1version 8.0.2 Vulnerable NIST National Vulnerability Database
Oracle Communications Network Charging And Control version 12.0.4.0.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Offline Mediation Controller version 12.0.0.3 Vulnerable NIST National Vulnerability Database
Oracle Communications Pricing Design Center version 12.0.0.4.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Services Gatekeeper version 7.0 Vulnerable NIST National Vulnerability Database
Oracle Communications Unified Inventory Management version 7.4.1 Vulnerable NIST National Vulnerability Database
Oracle Goldengate Application Adapters version 19.1.0.0.0 Vulnerable NIST National Vulnerability Database
Oracle Health Sciences Empirica Signal version 9.1version 9.0 Vulnerable NIST National Vulnerability Database
Oracle Insurance Policy Administration ≥ 11.1.0 and ≤ 11.3.0version 11.0.2 Vulnerable NIST National Vulnerability Database
Oracle Insurance Rules Palette ≥ 11.1.0 and ≤ 11.3.0version 11.0.2 Vulnerable NIST National Vulnerability Database
Oracle Jd Edwards Enterpriseone Orchestrator < 9.2.5.3 Vulnerable NIST National Vulnerability Database
Oracle Jd Edwards Enterpriseone Tools < 9.2.5.3 Vulnerable NIST National Vulnerability Database
Oracle Primavera Gateway ≥ 17.7 and ≤ 17.12≥ 17.12.0 and ≤ 17.12.11version 20.12.0≥ 18.8.0 and ≤ 18.8.11≥ 19.12.0 and ≤ 19.12.10 Vulnerable NIST National Vulnerability Database
Oracle Retail Service Backbone version 14.1.3.2version 15.0.3.1version 16.0.3 Vulnerable NIST National Vulnerability Database
Oracle Retail Xstore Point Of Service version 18.0.3version 19.0.2version 16.0.6version 20.0.1version 17.0.4 Vulnerable NIST National Vulnerability Database
Oracle Sd-wan Edge version 9.0 Vulnerable NIST National Vulnerability Database
Oracle Utilities Framework version 4.4.0.2.0version 4.4.0.0.0version 4.4.0.3.0version 4.3.0.6.0version 4.3.0.5.0 Vulnerable NIST National Vulnerability Database
Oracle WebCenter Portal version 12.2.1.4.0version 12.2.1.3.0 Vulnerable NIST National Vulnerability Database
Quarkus Quarkus ≤ 1.6.1 Vulnerable NIST National Vulnerability Database

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
7.5 CVSS 3.1 High 3.9 3.6 nvd@nist.gov via NIST National Vulnerability Database
5.0 CVSS 2.0 Medium 10.0 2.9 nvd@nist.gov via NIST National Vulnerability Database
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N (score shown at the top: nvd@nist.gov)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-611 · XML External Entity (XXE)

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 15, 2026 · 3 reading(s) · max 17.26%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
  • Look for parameters with command/query metacharacters and unexpected child processes of the service.
web/proxy/WAF logsnetwork IDS/IPSapplication logsendpoint telemetry (EDR)

Timeline

What happened to this CVE, newest first.

  • 2026
  • SSVC assessment updated
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 13, 2026
  • Fix documented
    Oct 13, 2026 · NIST National Vulnerability Database
  • CVSS changed · 7.5
    Oct 13, 2026 · NIST National Vulnerability Database
  • Source status changed · → Modified
    Oct 13, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 13, 2026 · NIST National Vulnerability Database
  • 2020
  • CVE published
    Dec 3, 2020 · redhat

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

71 on the record

Elsewhere on this site

Apache Software Foundation
every CVE for this vendor
Injection
same class
CWE-611
other pages naming this weakness

Related CVEs (same products)

  • CVE-2026-87266 Improper Access Control in Oracle Agile Product Lifecycle Management Sep 15, 2026
  • CVE-2026-87256 Improper Access Control in Oracle Agile Product Lifecycle Management Sep 15, 2026
  • CVE-2026-87253 Improper Access Control in Oracle Agile Product Lifecycle Management Sep 15, 2026
  • CVE-2026-87258 Improper Access Control in Oracle Agile Product Lifecycle Management Sep 15, 2026
  • CVE-2026-87254 Improper Access Control in Oracle Agile Product Lifecycle Management Sep 15, 2026
  • CVE-2026-87257 Improper Access Control in Oracle Agile Product Lifecycle Management Sep 15, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2020-25649 is "XML External Entity (XXE) in Apache Software Foundation Iotdb", rated High. It affects Iotdb (Apache Software Foundation); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 7.5 describes technical severity. EPSS 17.26% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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